A perfect square.
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Yes it is.Since the square of an integer is called a perfect square, then the square root of a perfect square must be an integer.
the square of an integer will always be an integer
That is any number that is an integer, and the square of another integer. For example, 4 is the square of 2, while 9 is the square of 3.That is any number that is an integer, and the square of another integer. For example, 4 is the square of 2, while 9 is the square of 3.That is any number that is an integer, and the square of another integer. For example, 4 is the square of 2, while 9 is the square of 3.That is any number that is an integer, and the square of another integer. For example, 4 is the square of 2, while 9 is the square of 3.
Negative 64 is the square root of an integer. The square root of -64 is not an integer.
That is called a perfect square. The first 10 are 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100.